Home / 496,922.38-685,907.67-282,205.42

Finding the Fourth Proportional to 496,922.38, 685,907.67 and 282,205.42

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Solution

The fourth proportional to 496,922.38, 685,907.67 and 282,205.42 is: 389,531.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,922.38 : 685,907.67 = 282,205.42 : x
  2. Step 2: Convert to fraction form
    496,922.38/685,907.67 = 282,205.42/x
  3. Step 3: Cross multiply
    496,922.38x = 685,907.67 × 282,205.42
  4. Step 4: Simplify right side
    496,922.38x = 193,566,862,093.57
  5. Step 5: Solve for x
    x = 193,566,862,093.57/496,922.38
  6. Step 6: Final answer
    x = 389,531.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.